People try gas masks at Air Raid Precaution Depot in London, England.

Air Raid Precaution Depot at Woolwich Town Hall in London, England. People lined at the Air Raid Precaution Depot. Posters are pasted on the wall. The posters read 'Air Raid Precautions'. Men stand in a group around a table. The table is piled with gas masks. A young man tries a mask. Men seated at the table tries a mask.